Importance of forests

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Across
  1. 3. a type of structural timber made by sticking wood together (6)
  2. 5. what plants need to survive and get from the soil (8)
  3. 8. trees do this with CO2 from the atmosphere (6)
  4. 10. to seep through (9)
  5. 13. to cut down a tree (4)
  6. 15. this is needed in order for plants to photosynthesise (11)
  7. 16. working in this way means not being harmful to the environment (11)
  8. 17. ability of a product to last a long time (10)
  9. 19. what happens to plants when they die (9)
  10. 21. countless or a great number (6)
  11. 22. a word that also means very important (7)
  12. 24. to communicate or have contact with another (8)
  13. 25. this material is used in construction (7)
Down
  1. 1. a word that describes preparing the soil to grow crops (9)
  2. 2. can be used for many different purposes (9)
  3. 4. remove or take something out (7)
  4. 6. without limitations, not subject to any terms (15)
  5. 7. the planet we live on (5)
  6. 9. a word that means to recognise the importance of something (11)
  7. 11. have an effect on something (6)
  8. 12. this form of writing provides a lot of facts (11)
  9. 14. trees are described as the ----- of the earth (5)
  10. 18. another word for remainder or what is left (7)
  11. 20. one of the uses for paper that helps protect products (9)
  12. 23. this describes plants that have lived in Ireland for a long time (7)